dmaengine/dw_dmac: Remove unused fields in struct dw_dma_slave

Signed-off-by: Viresh Kumar <viresh.kumar@st.com>
Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>

diff --git a/drivers/dma/dw_dmac_regs.h b/drivers/dma/dw_dmac_regs.h
index 2005d30..eec0481 100644 (file)
--- a/drivers/dma/dw_dmac_regs.h
+++ b/drivers/dma/dw_dmac_regs.h
@@ -13,6 +13,18 @@
 
 #define DW_DMA_MAX_NR_CHANNELS 8
 
+/* flow controller */
+enum dw_dma_fc {
+       DW_DMA_FC_D_M2M,
+       DW_DMA_FC_D_M2P,
+       DW_DMA_FC_D_P2M,
+       DW_DMA_FC_D_P2P,
+       DW_DMA_FC_P_P2M,
+       DW_DMA_FC_SP_P2P,
+       DW_DMA_FC_P_M2P,
+       DW_DMA_FC_DP_P2P,
+};
+
 /*
  * Redefine this macro to handle differences between 32- and 64-bit
  * addressing, big vs. little endian, etc.

diff --git a/include/linux/dw_dmac.h b/include/linux/dw_dmac.h
index f2c64f9..2412e02 100644 (file)
--- a/include/linux/dw_dmac.h
+++ b/include/linux/dw_dmac.h
@@ -31,18 +31,6 @@ struct dw_dma_platform_data {
        unsigned char   chan_priority;
 };
 
-/**
- * enum dw_dma_slave_width - DMA slave register access width.
- * @DMA_SLAVE_WIDTH_8BIT: Do 8-bit slave register accesses
- * @DMA_SLAVE_WIDTH_16BIT: Do 16-bit slave register accesses
- * @DMA_SLAVE_WIDTH_32BIT: Do 32-bit slave register accesses
- */
-enum dw_dma_slave_width {
-       DW_DMA_SLAVE_WIDTH_8BIT,
-       DW_DMA_SLAVE_WIDTH_16BIT,
-       DW_DMA_SLAVE_WIDTH_32BIT,
-};
-
 /* bursts size */
 enum dw_dma_msize {
        DW_DMA_MSIZE_1,
@@ -55,47 +43,21 @@ enum dw_dma_msize {
        DW_DMA_MSIZE_256,
 };
 
-/* flow controller */
-enum dw_dma_fc {
-       DW_DMA_FC_D_M2M,
-       DW_DMA_FC_D_M2P,
-       DW_DMA_FC_D_P2M,
-       DW_DMA_FC_D_P2P,
-       DW_DMA_FC_P_P2M,
-       DW_DMA_FC_SP_P2P,
-       DW_DMA_FC_P_M2P,
-       DW_DMA_FC_DP_P2P,
-};
-
 /**
  * struct dw_dma_slave - Controller-specific information about a slave
  *
  * @dma_dev: required DMA master device
- * @tx_reg: physical address of data register used for
- *     memory-to-peripheral transfers
- * @rx_reg: physical address of data register used for
- *     peripheral-to-memory transfers
- * @reg_width: peripheral register width
  * @cfg_hi: Platform-specific initializer for the CFG_HI register
  * @cfg_lo: Platform-specific initializer for the CFG_LO register
  * @src_master: src master for transfers on allocated channel.
  * @dst_master: dest master for transfers on allocated channel.
- * @src_msize: src burst size.
- * @dst_msize: dest burst size.
- * @fc: flow controller for DMA transfer
  */
 struct dw_dma_slave {
        struct device           *dma_dev;
-       dma_addr_t              tx_reg;
-       dma_addr_t              rx_reg;
-       enum dw_dma_slave_width reg_width;
        u32                     cfg_hi;
        u32                     cfg_lo;
        u8                      src_master;
        u8                      dst_master;
-       u8                      src_msize;
-       u8                      dst_msize;
-       u8                      fc;
 };
 
 /* Platform-configurable bits in CFG_HI */